09 Posterior Tooth Arrangement

Question 1

11. Thielman’s Formula?

Answer 1

CG x IG / (OP x C x CC) = K (balance)

Question 2

37. Parr Patient Spectrum

- Different needs for age ranges. IE. What considerations should be kept in mind for the Elderly

Answer 2

Elderly - Poor health, ridges, mobile and friable tissues, poor oral awareness, dexterity, and little interest in esthetics

Question 3

What posterior denture teeth position “creates leverage proportional horizontally from the ridge crest” and “causes extensive denture movement during function”? - Buccolingual, Superior-Inferior, or Anterior-Posterior

Answer 3

Buccolingual

Question 4

What posterior denture teeth position can lead to “unnatural positioning of occlusal plane to interfere with function and structures and produce greater dislodging forces”?
- Buccolingual, Superior-Inferior, or Anterior-Posterior

Answer 4

Superior-Inferior

Question 5

What posterior denture tooth position achieves “maximum denture stability due to a parallel position to most unfavorable ridge”? - BL, Sup/Inf, or Ant-Post

Answer 5

Ant-Post

Question 6

For Ant-Post, what line is used to establish parallelism - Frankfork, ear-eye, axis-orbital, ala-tragus (campers), nose to condylar head?

Answer 6

Ala-tragus

Question 7

For Ant-Post, what intraoral landmark is used?

Answer 7

Height of lower canine to distal 1/2 of retromolar pad